Invention Grant
- Patent Title: Light-emitting display device
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Application No.: US17545617Application Date: 2021-12-08
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Publication No.: US12176382B2Publication Date: 2024-12-24
- Inventor: Nayoung Lee , Yonghoon Choi , Soyoung Jo , Mingeun Choi
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2020-0180729 20201222
- Main IPC: H01L27/15
- IPC: H01L27/15 ; H01L33/38 ; H01L33/50

Abstract:
A light-emitting display device includes: a substrate, a plurality of pixels on the substrate, each pixel including an opening area, a light extraction pattern disposed in each opening area, the light extraction pattern including: a plurality of concave portions spaced apart from each other, and a protruding portion surrounding each of the plurality of concave portions, and a light-emitting device layer including: a light-emitting layer over the light extraction pattern, and a non-emission area overlapping a top portion of the protruding portion between the two adjacent concave portions.
Public/Granted literature
- US20220199681A1 LIGHT-EMITTING DISPLAY DEVICE Public/Granted day:2022-06-23
Information query
IPC分类: